Characterization of Pb-Bi-Sr-Ca-Cu-O High-Tc Phase

Yasunori Ikeda; Hiroyuki Ito; Zenji Hiroi; Mikio Takano; Hitoshi Kitaguchi; Jun Takada; Kiichi Oda; Yoshinari Miura; Yasuo Takeda; Hiromasa Mazaki

doi:10.2497/jjspm.35.965

Characterization of Pb-Bi-Sr-Ca-Cu-O High-Tc Phase

Yasunori Ikeda, Hiroyuki Ito, Zenji Hiroi, Mikio Takano, Hitoshi Kitaguchi, Jun Takada, Kiichi Oda, Yoshinari Miura, Yasuo Takeda, Hiromasa Mazaki

Faculty of Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The preparation and characterization of Pb_0.18Bi_0.93Ca_1.02Sr_1.02Cu_1.6O_x, a lead-rich high-T_c phase, were studied (T(ρ=0)=105K). This compound crystallized in a pseudotetrag onal sturucture with a_t=0.541nm and c_t=3.709nm, while a unique one-dimensional modulation with a wavelength of 4.7nm (≒8.7b) was found along the b axis using transmission electron microscopy. This phase is not stabilized at lower temperature in air. It decomposes to the lead-free (or poor) high-T_c phase crystallizing in the convetional modulated structure 2.7nm(≒5b).

Original language	English
Pages (from-to)	965-969
Number of pages	5
Journal	Journal of the Japan Society of Powder and Powder Metallurgy
Volume	35
Issue number	9
DOIs	https://doi.org/10.2497/jjspm.35.965
Publication status	Published - 1988

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

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Characterization of Pb-Bi-Sr-Ca-Cu-O High-Tc Phase. / Ikeda, Yasunori; Ito, Hiroyuki; Hiroi, Zenji; Takano, Mikio; Kitaguchi, Hitoshi; Takada, Jun; Oda, Kiichi; Miura, Yoshinari; Takeda, Yasuo; Mazaki, Hiromasa.

In: Journal of the Japan Society of Powder and Powder Metallurgy, Vol. 35, No. 9, 1988, p. 965-969.

Research output: Contribution to journal › Article › peer-review

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abstract = "The preparation and characterization of Pb0.18Bi0.93Ca1.02Sr1.02Cu1.6Ox, a lead-rich high-Tc phase, were studied (T(ρ=0)=105K). This compound crystallized in a pseudotetrag onal sturucture with at=0.541nm and ct=3.709nm, while a unique one-dimensional modulation with a wavelength of 4.7nm (≒8.7b) was found along the b axis using transmission electron microscopy. This phase is not stabilized at lower temperature in air. It decomposes to the lead-free (or poor) high-Tc phase crystallizing in the convetional modulated structure 2.7nm(≒5b).",

author = "Yasunori Ikeda and Hiroyuki Ito and Zenji Hiroi and Mikio Takano and Hitoshi Kitaguchi and Jun Takada and Kiichi Oda and Yoshinari Miura and Yasuo Takeda and Hiromasa Mazaki",

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AU - Ikeda, Yasunori

AU - Ito, Hiroyuki

AU - Hiroi, Zenji

AU - Takano, Mikio

AU - Kitaguchi, Hitoshi

AU - Takada, Jun

AU - Oda, Kiichi

AU - Miura, Yoshinari

AU - Takeda, Yasuo

AU - Mazaki, Hiromasa

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AB - The preparation and characterization of Pb0.18Bi0.93Ca1.02Sr1.02Cu1.6Ox, a lead-rich high-Tc phase, were studied (T(ρ=0)=105K). This compound crystallized in a pseudotetrag onal sturucture with at=0.541nm and ct=3.709nm, while a unique one-dimensional modulation with a wavelength of 4.7nm (≒8.7b) was found along the b axis using transmission electron microscopy. This phase is not stabilized at lower temperature in air. It decomposes to the lead-free (or poor) high-Tc phase crystallizing in the convetional modulated structure 2.7nm(≒5b).

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